package com.wc.AlgoOJ_homework.aloj模拟赛.左移右移;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.LinkedList;
import java.util.StringTokenizer;

/**
 * @Author congge
 * @Date 2024/5/30 22:36
 * @description http://43.138.190.70:8888/p/589?tid=6655c0f9c056ef947a21997d
 */
public class Main {
    static FastReader sc = new FastReader();
    static PrintWriter out = new PrintWriter(System.out);
    static int N = 200010;
    static LinkedList<Pair> first = new LinkedList<>();
    static LinkedList<Pair> last = new LinkedList<>();
    static int[] nums = new int[N];
    static int n, m;

    public static void main(String[] args) {
        n = sc.nextInt();
        m = sc.nextInt();
        for (int i = 1; i <= m; i++) {
            char op = sc.next().charAt(0);
            int x = sc.nextInt();
            if (op == 'L') {
                first.addFirst(new Pair(x, i));
            } else {
                last.add(new Pair(x, i));
            }
            nums[x] = i;
        }
        for (Pair pair : first) {
            int x = pair.x, id = pair.y;
            if (id == nums[x]) out.print(x + " ");
        }
        for(int i = 1; i <= n; i++){
            if (nums[i] == 0) out.print(i + " ");
        }
        for(Pair pair : last){
            int x = pair.x, id = pair.y;
            if (id == nums[x]) out.print(x + " ");
        }
        out.println();
        out.flush();
    }

    static class Pair implements Comparable<Pair> {
        int x, y;

        Pair(int x, int y) {
            this.x = x;
            this.y = y;
        }

        @Override
        public int compareTo(Pair o) {
            if (x == o.x) {
                return y - o.y;
            }
            return x - o.x;
        }
    }

}

class FastReader {
    StringTokenizer st;
    BufferedReader br;

    FastReader() {
        br = new BufferedReader(new InputStreamReader(System.in));
    }

    String next() {
        while (st == null || !st.hasMoreElements()) {
            try {
                st = new StringTokenizer(br.readLine());
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return st.nextToken();
    }

    int nextInt() {
        return Integer.parseInt(next());
    }

    String nextLine() {
        String s = "";
        try {
            s = br.readLine();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return s;
    }

    long nextLong() {
        return Long.parseLong(next());
    }

    double nextDouble() {
        return Double.parseDouble(next());
    }

    // 是否由下一个
    boolean hasNext() {
        while (st == null || !st.hasMoreTokens()) {
            try {
                String line = br.readLine();
                if (line == null)
                    return false;
                st = new StringTokenizer(line);
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }
        return true;
    }
}
